DE69518353D1 - Device and method for controlling a polarization selective light source, and optical communication system using the same - Google Patents

Device and method for controlling a polarization selective light source, and optical communication system using the same

Info

Publication number
DE69518353D1
DE69518353D1 DE69518353A DE69518353A DE69518353D1 DE 69518353 D1 DE69518353 D1 DE 69518353D1 DE 69518353 A DE69518353 A DE 69518353A DE 69518353 A DE69518353 A DE 69518353A DE 69518353 D1 DE69518353 D1 DE 69518353D1
Authority
DE
Germany
Prior art keywords
controlling
light source
communication system
same
optical communication
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
DE69518353A
Other languages
German (de)
Other versions
DE69518353T4 (en
DE69518353T2 (en
Inventor
Toshihiko Ouchi
Masao Majima
Jun Nitta
Seiji Mishima
Ouichi Kubota
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Canon Inc
Original Assignee
Canon Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from JP6122961A external-priority patent/JPH07307527A/en
Priority claimed from JP13107594A external-priority patent/JP3270626B2/en
Application filed by Canon Inc filed Critical Canon Inc
Application granted granted Critical
Publication of DE69518353D1 publication Critical patent/DE69518353D1/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B82NANOTECHNOLOGY
    • B82YSPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
    • B82Y20/00Nanooptics, e.g. quantum optics or photonic crystals
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01SDEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S5/00Semiconductor lasers
    • H01S5/02Structural details or components not essential to laser action
    • H01S5/026Monolithically integrated components, e.g. waveguides, monitoring photo-detectors, drivers
    • H01S5/0262Photo-diodes, e.g. transceiver devices, bidirectional devices
    • H01S5/0264Photo-diodes, e.g. transceiver devices, bidirectional devices for monitoring the laser-output
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01SDEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S5/00Semiconductor lasers
    • H01S5/06Arrangements for controlling the laser output parameters, e.g. by operating on the active medium
    • H01S5/062Arrangements for controlling the laser output parameters, e.g. by operating on the active medium by varying the potential of the electrodes
    • H01S5/0625Arrangements for controlling the laser output parameters, e.g. by operating on the active medium by varying the potential of the electrodes in multi-section lasers
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01SDEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S5/00Semiconductor lasers
    • H01S5/06Arrangements for controlling the laser output parameters, e.g. by operating on the active medium
    • H01S5/068Stabilisation of laser output parameters
    • H01S5/0683Stabilisation of laser output parameters by monitoring the optical output parameters
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01SDEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S5/00Semiconductor lasers
    • H01S5/06Arrangements for controlling the laser output parameters, e.g. by operating on the active medium
    • H01S5/068Stabilisation of laser output parameters
    • H01S5/0683Stabilisation of laser output parameters by monitoring the optical output parameters
    • H01S5/06832Stabilising during amplitude modulation
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24Coupling light guides
    • G02B6/42Coupling light guides with opto-electronic elements
    • G02B6/4201Packages, e.g. shape, construction, internal or external details
    • G02B6/4246Bidirectionally operating package structures
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01SDEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S2302/00Amplification / lasing wavelength
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01SDEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S5/00Semiconductor lasers
    • H01S5/02Structural details or components not essential to laser action
    • H01S5/026Monolithically integrated components, e.g. waveguides, monitoring photo-detectors, drivers
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01SDEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S5/00Semiconductor lasers
    • H01S5/06Arrangements for controlling the laser output parameters, e.g. by operating on the active medium
    • H01S5/062Arrangements for controlling the laser output parameters, e.g. by operating on the active medium by varying the potential of the electrodes
    • H01S5/06233Controlling other output parameters than intensity or frequency
    • H01S5/06236Controlling other output parameters than intensity or frequency controlling the polarisation, e.g. TM/TE polarisation switching
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01SDEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S5/00Semiconductor lasers
    • H01S5/06Arrangements for controlling the laser output parameters, e.g. by operating on the active medium
    • H01S5/062Arrangements for controlling the laser output parameters, e.g. by operating on the active medium by varying the potential of the electrodes
    • H01S5/0625Arrangements for controlling the laser output parameters, e.g. by operating on the active medium by varying the potential of the electrodes in multi-section lasers
    • H01S5/06255Controlling the frequency of the radiation
    • H01S5/06258Controlling the frequency of the radiation with DFB-structure
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01SDEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S5/00Semiconductor lasers
    • H01S5/06Arrangements for controlling the laser output parameters, e.g. by operating on the active medium
    • H01S5/068Stabilisation of laser output parameters
    • H01S5/0683Stabilisation of laser output parameters by monitoring the optical output parameters
    • H01S5/0687Stabilising the frequency of the laser
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01SDEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S5/00Semiconductor lasers
    • H01S5/10Construction or shape of the optical resonator, e.g. extended or external cavity, coupled cavities, bent-guide, varying width, thickness or composition of the active region
    • H01S5/1021Coupled cavities
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01SDEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S5/00Semiconductor lasers
    • H01S5/30Structure or shape of the active region; Materials used for the active region
    • H01S5/34Structure or shape of the active region; Materials used for the active region comprising quantum well or superlattice structures, e.g. single quantum well [SQW] lasers, multiple quantum well [MQW] lasers or graded index separate confinement heterostructure [GRINSCH] lasers
    • H01S5/3403Structure or shape of the active region; Materials used for the active region comprising quantum well or superlattice structures, e.g. single quantum well [SQW] lasers, multiple quantum well [MQW] lasers or graded index separate confinement heterostructure [GRINSCH] lasers having a strained layer structure in which the strain performs a special function, e.g. general strain effects, strain versus polarisation
    • H01S5/3404Structure or shape of the active region; Materials used for the active region comprising quantum well or superlattice structures, e.g. single quantum well [SQW] lasers, multiple quantum well [MQW] lasers or graded index separate confinement heterostructure [GRINSCH] lasers having a strained layer structure in which the strain performs a special function, e.g. general strain effects, strain versus polarisation influencing the polarisation
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01SDEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S5/00Semiconductor lasers
    • H01S5/30Structure or shape of the active region; Materials used for the active region
    • H01S5/34Structure or shape of the active region; Materials used for the active region comprising quantum well or superlattice structures, e.g. single quantum well [SQW] lasers, multiple quantum well [MQW] lasers or graded index separate confinement heterostructure [GRINSCH] lasers
    • H01S5/343Structure or shape of the active region; Materials used for the active region comprising quantum well or superlattice structures, e.g. single quantum well [SQW] lasers, multiple quantum well [MQW] lasers or graded index separate confinement heterostructure [GRINSCH] lasers in AIIIBV compounds, e.g. AlGaAs-laser, InP-based laser
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01SDEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S5/00Semiconductor lasers
    • H01S5/30Structure or shape of the active region; Materials used for the active region
    • H01S5/34Structure or shape of the active region; Materials used for the active region comprising quantum well or superlattice structures, e.g. single quantum well [SQW] lasers, multiple quantum well [MQW] lasers or graded index separate confinement heterostructure [GRINSCH] lasers
    • H01S5/343Structure or shape of the active region; Materials used for the active region comprising quantum well or superlattice structures, e.g. single quantum well [SQW] lasers, multiple quantum well [MQW] lasers or graded index separate confinement heterostructure [GRINSCH] lasers in AIIIBV compounds, e.g. AlGaAs-laser, InP-based laser
    • H01S5/34306Structure or shape of the active region; Materials used for the active region comprising quantum well or superlattice structures, e.g. single quantum well [SQW] lasers, multiple quantum well [MQW] lasers or graded index separate confinement heterostructure [GRINSCH] lasers in AIIIBV compounds, e.g. AlGaAs-laser, InP-based laser emitting light at a wavelength longer than 1000nm, e.g. InP based 1300 and 1500nm lasers
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01SDEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S5/00Semiconductor lasers
    • H01S5/30Structure or shape of the active region; Materials used for the active region
    • H01S5/34Structure or shape of the active region; Materials used for the active region comprising quantum well or superlattice structures, e.g. single quantum well [SQW] lasers, multiple quantum well [MQW] lasers or graded index separate confinement heterostructure [GRINSCH] lasers
    • H01S5/343Structure or shape of the active region; Materials used for the active region comprising quantum well or superlattice structures, e.g. single quantum well [SQW] lasers, multiple quantum well [MQW] lasers or graded index separate confinement heterostructure [GRINSCH] lasers in AIIIBV compounds, e.g. AlGaAs-laser, InP-based laser
    • H01S5/34313Structure or shape of the active region; Materials used for the active region comprising quantum well or superlattice structures, e.g. single quantum well [SQW] lasers, multiple quantum well [MQW] lasers or graded index separate confinement heterostructure [GRINSCH] lasers in AIIIBV compounds, e.g. AlGaAs-laser, InP-based laser with a well layer having only As as V-compound, e.g. AlGaAs, InGaAs
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01SDEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S5/00Semiconductor lasers
    • H01S5/30Structure or shape of the active region; Materials used for the active region
    • H01S5/34Structure or shape of the active region; Materials used for the active region comprising quantum well or superlattice structures, e.g. single quantum well [SQW] lasers, multiple quantum well [MQW] lasers or graded index separate confinement heterostructure [GRINSCH] lasers
    • H01S5/343Structure or shape of the active region; Materials used for the active region comprising quantum well or superlattice structures, e.g. single quantum well [SQW] lasers, multiple quantum well [MQW] lasers or graded index separate confinement heterostructure [GRINSCH] lasers in AIIIBV compounds, e.g. AlGaAs-laser, InP-based laser
    • H01S5/3434Structure or shape of the active region; Materials used for the active region comprising quantum well or superlattice structures, e.g. single quantum well [SQW] lasers, multiple quantum well [MQW] lasers or graded index separate confinement heterostructure [GRINSCH] lasers in AIIIBV compounds, e.g. AlGaAs-laser, InP-based laser with a well layer comprising at least both As and P as V-compounds
DE69518353A 1994-05-12 1995-05-09 Device and method for controlling a polarization selective light source, and optical communication system using the same Expired - Fee Related DE69518353D1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP6122961A JPH07307527A (en) 1994-05-12 1994-05-12 Optical semiconductor device, method of driving communication light source, and optical communication system using thereof
JP13107594A JP3270626B2 (en) 1994-05-19 1994-05-19 Direct polarization modulation light source control method and integrated semiconductor device driving method

Publications (1)

Publication Number Publication Date
DE69518353D1 true DE69518353D1 (en) 2000-09-21

Family

ID=26459998

Family Applications (2)

Application Number Title Priority Date Filing Date
DE69518353A Expired - Fee Related DE69518353D1 (en) 1994-05-12 1995-05-09 Device and method for controlling a polarization selective light source, and optical communication system using the same
DE69518353T Expired - Lifetime DE69518353T4 (en) 1994-05-12 1995-05-09 Device and method for controlling a polarization-selective light source, and optical communication system using the same

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE69518353T Expired - Lifetime DE69518353T4 (en) 1994-05-12 1995-05-09 Device and method for controlling a polarization-selective light source, and optical communication system using the same

Country Status (3)

Country Link
US (1) US5659560A (en)
EP (1) EP0682390B1 (en)
DE (2) DE69518353D1 (en)

Families Citing this family (52)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08172237A (en) * 1994-12-17 1996-07-02 Canon Inc Semiconductor laser, modulation system and optical communication system using the same
US5764670A (en) * 1995-02-27 1998-06-09 Canon Kabushiki Kaisha Semiconductor laser apparatus requiring no external modulator, method of driving semiconductor laser device, and optical communication system using the semiconductor laser apparatus
US5600126A (en) * 1995-06-20 1997-02-04 Xerox Corporation Method and apparatus for controlling the power output of multiple laser diodes
JP3720514B2 (en) * 1996-03-19 2005-11-30 キヤノン株式会社 Semiconductor laser device driving method, semiconductor laser device, and optical transmission system
JP3518837B2 (en) * 1996-08-22 2004-04-12 キヤノン株式会社 Semiconductor laser and semiconductor laser device capable of switching polarization of output light and method of driving the same
US6868101B1 (en) * 1996-09-13 2005-03-15 Kol Ohr Corporation Low cost means of modulating a laser
JPH1174599A (en) * 1997-07-01 1999-03-16 Canon Inc Driving method for signal transmission semiconductor light source, signal transmission light source, and optical communication method and system employing it
JPH11243256A (en) * 1997-12-03 1999-09-07 Canon Inc Distributed feedback type semiconductor laser and driving thereof
JPH11233898A (en) * 1997-12-03 1999-08-27 Canon Inc Distributed feedback type semiconductor laser and driving method thereof
US6222861B1 (en) * 1998-09-03 2001-04-24 Photonic Solutions, Inc. Method and apparatus for controlling the wavelength of a laser
US6175446B1 (en) * 1998-09-23 2001-01-16 Sarnoff Corporation Polarization-independent semiconductor optical amplifier
US6801555B1 (en) * 1999-04-26 2004-10-05 Finisar Corporation Lasing semiconductor optical amplifier with output power monitor and control
JP2001042170A (en) 1999-07-28 2001-02-16 Canon Inc Optical wiring device, its driving method and electronic apparatus using the device
KR100353419B1 (en) * 2000-03-10 2002-09-18 삼성전자 주식회사 Polarization insensitive semiconductor optical amplifier
US6813063B2 (en) * 2000-08-18 2004-11-02 Japan Science And Technology Agency Exciton polariton optical switch
US7346083B2 (en) * 2001-04-10 2008-03-18 Hrl Laboratories, Llc Bandwidth enhanced self-injection locked DFB laser with narrow linewidth
US20030068125A1 (en) * 2001-09-28 2003-04-10 The Furukawa Electric Co., Ltd. Semiconductor laser device, semiconductor laser module and optical fiber amplifier using the semiconductor laser module
JP4128356B2 (en) * 2001-12-28 2008-07-30 富士通株式会社 Control device for optical device
US6792171B2 (en) * 2002-11-15 2004-09-14 Jds Uniphase Corporation Receiver optical sub-assembly
JP4359035B2 (en) * 2002-11-21 2009-11-04 富士通株式会社 Optical repeater
DE602004023847D1 (en) * 2003-06-25 2009-12-10 Canon Kk CONTROL DEVICE FOR GENERATING ELECTRIC HIGH-FREQUENCY SIGNALS AND SENSOR SYSTEM
JP4533044B2 (en) * 2003-08-27 2010-08-25 キヤノン株式会社 Sensor
JP4136858B2 (en) * 2003-09-12 2008-08-20 キヤノン株式会社 Position detection device and information input device
US7885311B2 (en) * 2007-03-27 2011-02-08 Imra America, Inc. Beam stabilized fiber laser
JP4250573B2 (en) * 2004-07-16 2009-04-08 キヤノン株式会社 element
JP4546326B2 (en) * 2004-07-30 2010-09-15 キヤノン株式会社 Sensing device
WO2006047347A1 (en) * 2004-10-22 2006-05-04 Vidiator Enterprises, Inc. System and method for mobile 3d graphical messaging
JP4402026B2 (en) * 2005-08-30 2010-01-20 キヤノン株式会社 Sensing device
JP4773839B2 (en) * 2006-02-15 2011-09-14 キヤノン株式会社 Detection device for detecting information of an object
JP2007248850A (en) * 2006-03-16 2007-09-27 Oki Electric Ind Co Ltd Mach-zehnder type semiconductor element and control method thereof
JP4481946B2 (en) 2006-03-17 2010-06-16 キヤノン株式会社 Detection element and image forming apparatus
JP5132146B2 (en) * 2006-03-17 2013-01-30 キヤノン株式会社 Analysis method, analyzer, and specimen holding member
JP4898472B2 (en) 2006-04-11 2012-03-14 キヤノン株式会社 Inspection device
JP5196750B2 (en) 2006-08-25 2013-05-15 キヤノン株式会社 Oscillating element
US7400661B2 (en) * 2006-11-08 2008-07-15 Lexmark International, Inc. Automatic setting of laser diode bias current
JP4873746B2 (en) * 2006-12-21 2012-02-08 キヤノン株式会社 Oscillating element
JP4930173B2 (en) * 2007-04-27 2012-05-16 富士通株式会社 Signal light monitoring apparatus and signal light monitoring method
JP5105949B2 (en) * 2007-04-27 2012-12-26 キヤノン株式会社 Sensor
JP5144175B2 (en) * 2007-08-31 2013-02-13 キヤノン株式会社 Inspection apparatus and inspection method using electromagnetic waves
JP5665305B2 (en) * 2008-12-25 2015-02-04 キヤノン株式会社 Analysis equipment
JP5612842B2 (en) 2009-09-07 2014-10-22 キヤノン株式会社 Oscillator
JP5473579B2 (en) 2009-12-11 2014-04-16 キヤノン株式会社 Control device for capacitive electromechanical transducer and control method for capacitive electromechanical transducer
JP5424847B2 (en) 2009-12-11 2014-02-26 キヤノン株式会社 Electromechanical converter
JP5414546B2 (en) 2010-01-12 2014-02-12 キヤノン株式会社 Capacitance detection type electromechanical transducer
US8606120B2 (en) * 2010-05-28 2013-12-10 Infinera Corporation Control of an interferometric optical polarization beam splitter
JP6435764B2 (en) * 2014-10-09 2018-12-12 富士通株式会社 OPTICAL TRANSMITTER, OPTICAL MODULATOR CONTROL METHOD, AND OPTICAL MODULATOR CONTROL DEVICE
US10411430B1 (en) 2015-04-20 2019-09-10 Aurrion, Inc. Optical system and method for locking a wavelength of a tunable laser
US10074959B2 (en) * 2016-08-03 2018-09-11 Emcore Corporation Modulated laser source and methods of its fabrication and operation
KR101864261B1 (en) * 2016-10-31 2018-06-05 (주)켐옵틱스 Wavelength locker structure for tunable laser and wavelength locking method for tunable laser
US10340661B2 (en) * 2017-11-01 2019-07-02 International Business Machines Corporation Electro-optical device with lateral current injection regions
US11095390B2 (en) 2018-08-23 2021-08-17 International Business Machines Corporation Polarization-insensitive optical link
CN110544873B (en) * 2019-08-29 2020-11-24 厦门市三安集成电路有限公司 Segmented modulation structure, laser and manufacturing method thereof

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58225745A (en) * 1982-06-24 1983-12-27 Fujitsu Ltd Semiconductor laser transmitting circuit
US4685108A (en) * 1985-07-03 1987-08-04 Gte Laboratories Incorporated Optical multivibrator
JPS62144426A (en) * 1985-12-19 1987-06-27 Matsushita Electric Ind Co Ltd Optical transmission equipment
JPS63160391A (en) * 1986-12-24 1988-07-04 Toshiba Corp Distributed feedback type semiconductor laser device
JPH02159781A (en) * 1988-12-14 1990-06-19 Toshiba Corp Optical communication device
JP2546388B2 (en) * 1989-08-31 1996-10-23 日本電気株式会社 Oscillation frequency stabilizing device for semiconductor laser device
JPH06120906A (en) * 1992-10-03 1994-04-28 Canon Inc Optical communication system and optical receiver, semiconductor device, and optical communication system using them
JPH0795160A (en) * 1993-09-20 1995-04-07 Fujitsu Ltd Method for modulating response signal of optical amplifier

Also Published As

Publication number Publication date
EP0682390B1 (en) 2000-08-16
EP0682390A2 (en) 1995-11-15
DE69518353T4 (en) 2001-08-02
DE69518353T2 (en) 2001-02-15
EP0682390A3 (en) 1996-06-26
US5659560A (en) 1997-08-19

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